This red dot scope is every bit as durable as the Aimpoint CompM2 Red Dot Sight and can withstand the roughest physical handling and extreme temperatures as well as weather conditions. The very efficient CETechnology diode from Aimpoint gives the user months of continuous use on a single battery with this Aimpoint red dot scope. Currently in use by Special Forces and elite police units around the world, the Aimpoint CompML2 Red Dot Sight is primarily designed for use in daylight and in lowlight conditions.